(gāi) — (modal verb) should, ought to; used to indicate strong necessity or likelihood; to deserve (something positive or negative); to be someone's turn; to owe

Definition

该 (gāi) is a modal verb meaning 'should/ought to' and 'to deserve' — interchangeable with 应该 in most uses, but 该 sounds slightly more emphatic or colloquial. Negate with 不该, not 不用.

verb
(modal verb) shouldought toused to indicate strong necessity or likelihoodto deserve (something positive or negative)to be someone's turnto owe

Examples

  • Nǐ gāi qù shàng kè le.
    You should go to class now.
  • Tā gāi dé dào dà jiā de zūn zhòng.
    He deserves everyone's respect.
  • Jīn tiān gāi wǒ zuò fàn.
    Today it's my turn to cook.

Origin

Sound + meaning
六书liùshū
形声xíngshēng

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 該; 该 is its simplified writing.

Meaning part形符xíngfú
Sound part声符shēngfú
hàigāi
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 該 pairs 言 (speech) with 亥 as a sound part; the simplified 该 is a shorthand, so its parts are not the historical components.

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